// This code is derived from jcifs smb client library <jcifs at samba dot org>
// Ported by J. Arturo <webmaster at komodosoft dot net>
//  
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// 
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

using SharpCifs.Util.Sharpen;

namespace SharpCifs.Smb
{
    internal class SmbComTreeConnectAndXResponse : AndXServerMessageBlock
    {
        private const int SmbSupportSearchBits = unchecked(0x0001);

        private const int SmbShareIsInDfs = unchecked(0x0002);

        internal bool SupportSearchBits;

        internal bool ShareIsInDfs;

        internal string Service;

        internal string NativeFileSystem = string.Empty;

        internal SmbComTreeConnectAndXResponse(ServerMessageBlock andx) : base(andx)
        {
        }

        internal override int WriteParameterWordsWireFormat(byte[] dst, int dstIndex)
        {
            return 0;
        }

        internal override int WriteBytesWireFormat(byte[] dst, int dstIndex)
        {
            return 0;
        }

        internal override int ReadParameterWordsWireFormat(byte[] buffer, int bufferIndex)
        {
            SupportSearchBits = (buffer[bufferIndex] & SmbSupportSearchBits) == SmbSupportSearchBits;
            ShareIsInDfs = (buffer[bufferIndex] & SmbShareIsInDfs) == SmbShareIsInDfs;
            return 2;
        }

        internal override int ReadBytesWireFormat(byte[] buffer, int bufferIndex)
        {
            int start = bufferIndex;
            int len = ReadStringLength(buffer, bufferIndex, 32);
            try
            {
                //Service = Runtime.GetStringForBytes(buffer, bufferIndex, len, "ASCII");
                Service = Runtime.GetStringForBytes(buffer, bufferIndex, len, "UTF-8");
            }
            catch (UnsupportedEncodingException)
            {
                return 0;
            }
            bufferIndex += len + 1;
            // win98 observed not returning nativeFileSystem
            return bufferIndex - start;
        }

        public override string ToString()
        {
            string result = "SmbComTreeConnectAndXResponse["
                                + base.ToString()
                                + ",supportSearchBits=" + SupportSearchBits
                                + ",shareIsInDfs=" + ShareIsInDfs
                                + ",service=" + Service
                                + ",nativeFileSystem=" + NativeFileSystem + "]";
            return result;
        }
    }
}
